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On the complexity of algebraic number I. Expansions in integer bases

Boris Adamczewski, Yann Bugeaud

math.NTarXiv:math/0511674

Abstract

Let b 2 be an integer. We prove that the b-adic expansion of every irrational algebraic number cannot have low complexity. Furthermore, we establish that irrational morphic numbers are transcendental, for a wide class of morphisms. In particular, irrational automatic numbers are transcendental. Our main tool is a new, combinatorial transcendence criterion.

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